package ai.kastrax.a2x.semantic

import kotlinx.serialization.Serializable
import kotlinx.serialization.json.JsonElement
import java.util.concurrent.ConcurrentHashMap

/**
 * 语义映射器，负责映射不同系统的语义
 */
class SemanticMapper {
    /**
     * 映射规则映射
     */
    private val mappingRules = ConcurrentHashMap<String, MappingRule>()
    
    /**
     * 概念映射映射
     */
    private val conceptMappings = ConcurrentHashMap<String, ConceptMapping>()
    
    /**
     * 属性映射映射
     */
    private val propertyMappings = ConcurrentHashMap<String, PropertyMapping>()
    
    /**
     * 注册映射规则
     */
    fun registerMappingRule(rule: MappingRule) {
        mappingRules[rule.id] = rule
    }
    
    /**
     * 注销映射规则
     */
    fun unregisterMappingRule(ruleId: String) {
        mappingRules.remove(ruleId)
    }
    
    /**
     * 获取映射规则
     */
    fun getMappingRule(ruleId: String): MappingRule? {
        return mappingRules[ruleId]
    }
    
    /**
     * 获取所有映射规则
     */
    fun getAllMappingRules(): List<MappingRule> {
        return mappingRules.values.toList()
    }
    
    /**
     * 注册概念映射
     */
    fun registerConceptMapping(mapping: ConceptMapping) {
        conceptMappings[mapping.id] = mapping
    }
    
    /**
     * 注销概念映射
     */
    fun unregisterConceptMapping(mappingId: String) {
        conceptMappings.remove(mappingId)
    }
    
    /**
     * 获取概念映射
     */
    fun getConceptMapping(mappingId: String): ConceptMapping? {
        return conceptMappings[mappingId]
    }
    
    /**
     * 获取所有概念映射
     */
    fun getAllConceptMappings(): List<ConceptMapping> {
        return conceptMappings.values.toList()
    }
    
    /**
     * 注册属性映射
     */
    fun registerPropertyMapping(mapping: PropertyMapping) {
        propertyMappings[mapping.id] = mapping
    }
    
    /**
     * 注销属性映射
     */
    fun unregisterPropertyMapping(mappingId: String) {
        propertyMappings.remove(mappingId)
    }
    
    /**
     * 获取属性映射
     */
    fun getPropertyMapping(mappingId: String): PropertyMapping? {
        return propertyMappings[mappingId]
    }
    
    /**
     * 获取所有属性映射
     */
    fun getAllPropertyMappings(): List<PropertyMapping> {
        return propertyMappings.values.toList()
    }
    
    /**
     * 映射概念
     */
    fun mapConcept(sourceConcept: Concept, targetOntologyId: String): Concept? {
        // 查找适用的概念映射
        val mapping = conceptMappings.values.find { mapping ->
            mapping.sourceConceptId == sourceConcept.id && mapping.targetOntologyId == targetOntologyId
        } ?: return null
        
        // 创建目标概念
        return Concept(
            id = mapping.targetConceptId,
            name = mapping.targetConceptName ?: sourceConcept.name,
            description = mapping.targetConceptDescription ?: sourceConcept.description,
            type = mapping.targetConceptType ?: sourceConcept.type,
            properties = sourceConcept.properties.mapNotNull { property ->
                mapProperty(property, mapping.id)
            },
            metadata = sourceConcept.metadata + mapping.metadata
        )
    }
    
    /**
     * 映射属性
     */
    fun mapProperty(sourceProperty: Property, conceptMappingId: String): Property? {
        // 查找适用的属性映射
        val mapping = propertyMappings.values.find { mapping ->
            mapping.sourcePropertyName == sourceProperty.name && mapping.conceptMappingId == conceptMappingId
        } ?: return null
        
        // 创建目标属性
        return Property(
            name = mapping.targetPropertyName ?: sourceProperty.name,
            type = mapping.targetPropertyType ?: sourceProperty.type,
            description = mapping.targetPropertyDescription ?: sourceProperty.description,
            required = mapping.targetPropertyRequired ?: sourceProperty.required,
            defaultValue = mapping.targetPropertyDefaultValue ?: sourceProperty.defaultValue,
            metadata = sourceProperty.metadata + mapping.metadata
        )
    }
    
    /**
     * 应用映射规则
     */
    fun applyMappingRule(rule: MappingRule, source: JsonElement): JsonElement {
        // 应用映射规则的逻辑
        // 这里只是一个简单的实现，实际应用中可能需要更复杂的逻辑
        return source
    }
    
    /**
     * 映射语义
     */
    fun mapSemantic(source: JsonElement, sourceOntologyId: String, targetOntologyId: String): JsonElement {
        // 查找适用的映射规则
        val rule = mappingRules.values.find { rule ->
            rule.sourceOntologyId == sourceOntologyId && rule.targetOntologyId == targetOntologyId
        } ?: return source
        
        // 应用映射规则
        return applyMappingRule(rule, source)
    }
}

/**
 * 映射规则
 */
@Serializable
data class MappingRule(
    /**
     * 规则 ID
     */
    val id: String,
    
    /**
     * 规则名称
     */
    val name: String,
    
    /**
     * 规则描述
     */
    val description: String,
    
    /**
     * 源本体 ID
     */
    val sourceOntologyId: String,
    
    /**
     * 目标本体 ID
     */
    val targetOntologyId: String,
    
    /**
     * 规则类型
     */
    val type: String,
    
    /**
     * 规则表达式
     */
    val expression: String,
    
    /**
     * 规则元数据
     */
    val metadata: Map<String, String> = emptyMap()
)

/**
 * 概念映射
 */
@Serializable
data class ConceptMapping(
    /**
     * 映射 ID
     */
    val id: String,
    
    /**
     * 映射名称
     */
    val name: String,
    
    /**
     * 映射描述
     */
    val description: String,
    
    /**
     * 源概念 ID
     */
    val sourceConceptId: String,
    
    /**
     * 目标本体 ID
     */
    val targetOntologyId: String,
    
    /**
     * 目标概念 ID
     */
    val targetConceptId: String,
    
    /**
     * 目标概念名称
     */
    val targetConceptName: String? = null,
    
    /**
     * 目标概念描述
     */
    val targetConceptDescription: String? = null,
    
    /**
     * 目标概念类型
     */
    val targetConceptType: String? = null,
    
    /**
     * 映射元数据
     */
    val metadata: Map<String, String> = emptyMap()
)

/**
 * 属性映射
 */
@Serializable
data class PropertyMapping(
    /**
     * 映射 ID
     */
    val id: String,
    
    /**
     * 映射名称
     */
    val name: String,
    
    /**
     * 映射描述
     */
    val description: String,
    
    /**
     * 概念映射 ID
     */
    val conceptMappingId: String,
    
    /**
     * 源属性名称
     */
    val sourcePropertyName: String,
    
    /**
     * 目标属性名称
     */
    val targetPropertyName: String? = null,
    
    /**
     * 目标属性类型
     */
    val targetPropertyType: String? = null,
    
    /**
     * 目标属性描述
     */
    val targetPropertyDescription: String? = null,
    
    /**
     * 目标属性是否必需
     */
    val targetPropertyRequired: Boolean? = null,
    
    /**
     * 目标属性默认值
     */
    val targetPropertyDefaultValue: String? = null,
    
    /**
     * 映射元数据
     */
    val metadata: Map<String, String> = emptyMap()
)
